1 files changed, 56 insertions, 0 deletions
diff --git a/include/grub/lib/envblk.h b/include/grub/lib/envblk.h
new file mode 100644
index 0000000..c3e6559
--- /dev/null
+++ b/include/grub/lib/envblk.h
@@ -0,0 +1,56 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2008,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_ENVBLK_HEADER
+#define GRUB_ENVBLK_HEADER	1
+
+#define GRUB_ENVBLK_SIGNATURE	"# GRUB Environment Block\n"
+#define GRUB_ENVBLK_DEFCFG	"grubenv"
+
+#ifndef ASM_FILE
+
+struct grub_envblk
+{
+  char *buf;
+  grub_size_t size;
+};
+typedef struct grub_envblk *grub_envblk_t;
+
+grub_envblk_t grub_envblk_open (char *buf, grub_size_t size);
+int grub_envblk_set (grub_envblk_t envblk, const char *name, const char *value);
+void grub_envblk_delete (grub_envblk_t envblk, const char *name);
+void grub_envblk_iterate (grub_envblk_t envblk,
+                          void *hook_data,
+                          int hook (const char *name, const char *value, void *hook_data));
+void grub_envblk_close (grub_envblk_t envblk);
+
+static inline char *
+grub_envblk_buffer (const grub_envblk_t envblk)
+{
+  return envblk->buf;
+}
+
+static inline grub_size_t
+grub_envblk_size (const grub_envblk_t envblk)
+{
+  return envblk->size;
+}
+
+#endif /* ! ASM_FILE */
+
+#endif /* ! GRUB_ENVBLK_HEADER */